package com.jch.reggie.Controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.jch.reggie.common.R;
import com.jch.reggie.dto.DishDto;
import com.jch.reggie.entity.Category;
import com.jch.reggie.entity.Dish;
import com.jch.reggie.entity.DishFlavor;
import com.jch.reggie.service.CategoryService;
import com.jch.reggie.service.DishFlavorService;
import com.jch.reggie.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

/**
 * 菜品管理
 *
 */
@RestController
@RequestMapping("/dish")
@Slf4j
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private DishFlavorService dishFlavorService;
    @Autowired
    private CategoryService categoryService;
    /**
     * 新增菜品
     * @param dishDto
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());
        dishService.saveWithFlavor(dishDto);

        return R.success("新增菜品测试");
    }

    /**
     * 菜品信息分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> pafe(int page,int pageSize,String name){
        //构造分页构造器对象
        Page<Dish> pageInfo= new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage=new Page<>();
        //条件构造器
        LambdaQueryWrapper<Dish> queryWrapper=new LambdaQueryWrapper<>();
        //添加过滤条件
        queryWrapper.like(name!=null,Dish::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Dish::getUpdateTime);
        //执行分页查询
        dishService.page(pageInfo,queryWrapper);
        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");

        List<Dish> records = pageInfo.getRecords();
        List<DishDto> list=  records.stream().map((item)->{
            DishDto dishDto = new DishDto();

            BeanUtils.copyProperties(item,dishDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据id查询分类对象
            Category category = categoryService.getById(categoryId);
            if(category!=null){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            return dishDto;
        }).collect(Collectors.toList());
        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);
    }

    /**
     * 根据id查询菜品信息和对应的口味信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }

    /**
     * 修改菜品
     * @param dishDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());
        dishService.updateWithFlavor(dishDto);

        return R.success("更新菜品测试");
    }

    /**
     * 删除菜品
     * @return
     */
    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids){
        dishService.delete(ids);
        return R.success("菜品删除成功");
    }

    /**
     * 修改停售
     * @return
     */
    @PostMapping("/status/{status}")
   public R<String> status(@PathVariable int status,@RequestParam List<Long> ids){

        LambdaQueryWrapper<Dish> queryWrapper=new LambdaQueryWrapper();
        queryWrapper.in(Dish::getId, ids);
        List<Dish> list = dishService.list(queryWrapper);
       list= list.stream().map((item)->{
            item.setStatus(status);
            return item;
        }).collect(Collectors.toList());
       dishService.updateBatchById(list);
        /*Dish dish = dishService.getById(ids);
        dish.setStatus(status);
        dishService.updateById(dish);
*/
        return R.success("修改状态成功");
   }

    /**
     * 根据条件查询对应发菜品信息
     *
     * @param dish
     * @return
     */
   /* @GetMapping("/list")
    public R<List<Dish>> list(Dish dish) {
        //构造查询条件
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId() != null, Dish::getCategoryId, dish.getCategoryId());
        //查询状态为1，起售
        queryWrapper.eq(Dish::getStatus, 1);
        //排序条件
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list = dishService.list(queryWrapper);
        return R.success(list);
    }*/
    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish){
        //构造查询条件
        LambdaQueryWrapper<Dish> queryWrapper =new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        //查询状态为1，起售
        queryWrapper.eq(Dish::getStatus,1);
        //排序条件
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list = dishService.list(queryWrapper);

        List<DishDto> dishDtoList=  list.stream().map((item)->{
            DishDto dishDto = new DishDto();

            BeanUtils.copyProperties(item,dishDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据id查询分类对象
            Category category = categoryService.getById(categoryId);
            if(category!=null){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            //单前菜品id
            Long dishId = item.getId();
            LambdaQueryWrapper<DishFlavor> queryWrapper1=new LambdaQueryWrapper<>();
            queryWrapper1.eq(DishFlavor::getDishId,dishId);
            List<DishFlavor> dishFlavorList = dishFlavorService.list(queryWrapper1);
            dishDto.setFlavors(dishFlavorList);
            return dishDto;
        }).collect(Collectors.toList());
        return R.success(dishDtoList);
    }

}
